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Merge tag 'drm-intel-fixes-2026-03-05' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-fixes

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- Fix for #7284: Lenovo T14 G7 display not refreshing

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patch.msgid.link/aakz17Jx3Ye9Vqci@jlahtine-mobl
This commit is contained in:
Dave Airlie
2026-03-06 17:10:00 +10:00
parent 681d787cb6 a99cac460d
commit 3fcb1cbd76
2 changed files with 10 additions and 3 deletions
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11
drivers/gpu/drm/i915/display/intel_psr.c
View File

@@ -1307,9 +1307,14 @@ static bool psr2_granularity_check(struct intel_crtc_state *crtc_state,
u16 sink_y_granularity = crtc_state->has_panel_replay ?
connector->dp.panel_replay_caps.su_y_granularity :
connector->dp.psr_caps.su_y_granularity;
u16 sink_w_granularity = crtc_state->has_panel_replay ?
connector->dp.panel_replay_caps.su_w_granularity :
connector->dp.psr_caps.su_w_granularity;
u16 sink_w_granularity;
if (crtc_state->has_panel_replay)
sink_w_granularity = connector->dp.panel_replay_caps.su_w_granularity ==
DP_PANEL_REPLAY_FULL_LINE_GRANULARITY ?
crtc_hdisplay : connector->dp.panel_replay_caps.su_w_granularity;
else
sink_w_granularity = connector->dp.psr_caps.su_w_granularity;
/* PSR2 HW only send full lines so we only need to validate the width */
if (crtc_hdisplay % sink_w_granularity)

2
include/drm/display/drm_dp.h
View File

@@ -571,6 +571,8 @@
# define DP_PANEL_REPLAY_LINK_OFF_SUPPORTED_IN_PR_AFTER_ADAPTIVE_SYNC_SDP (1 << 7)
#define DP_PANEL_REPLAY_CAP_X_GRANULARITY 0xb2
# define DP_PANEL_REPLAY_FULL_LINE_GRANULARITY 0xffff
#define DP_PANEL_REPLAY_CAP_Y_GRANULARITY 0xb4
/* Link Configuration */